Water is a precious resource that can not be taken for granted. The City of St. Thomas is proud to properly and safely manage its water resources.   The City of St. Thomas uses By-law No. 82-2024 to dictate our sewer usage.  The following documents will help our businesses and residents to play their part.

Automotive Garage Best Management Practices

The above document includes:

  • Oil interceptors
  • Garage Waste disposal and spills
  • Storm Sewers are for rain only

Home Owners Guide to Sewer Use

The above document includes:

  • Food Grinders & Garbage Disposals
  • Improper Sanitary Sewer Connections (ie. basement drains, laundry hookups, etc.)
  • Household Hazardous waste doesn't go down the drain (ie. spills, paint, chemicals, drugs, etc)
  • Storm Sewers are for rain only

Industrial Best Management Practices and Sewer Use By-Law 205-91

The above document includes:

  • Approval of Industrial Waste disposal
  • Spills
  • Inspection Manholes
  • Storm Sewers are for rain only

Restaurant Best Management Practices

The above document includes:

  • Grease trap maintenance
  • Food Grinders & Garbage Disposals
  • Grease Storage Disposal and Spills
  • Storm Sewers are for rain only

Storm Water Management


Storm Sewer
Drainage - Creeks
Storm Water Quality embankment